Home / 55,050.65-82,559.78-15,611.21

Finding the Fourth Proportional to 55,050.65, 82,559.78 and 15,611.21

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Solution

The fourth proportional to 55,050.65, 82,559.78 and 15,611.21 is: 23,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.65 : 82,559.78 = 15,611.21 : x
  2. Step 2: Convert to fraction form
    55,050.65/82,559.78 = 15,611.21/x
  3. Step 3: Cross multiply
    55,050.65x = 82,559.78 × 15,611.21
  4. Step 4: Simplify right side
    55,050.65x = 1,288,857,985.08
  5. Step 5: Solve for x
    x = 1,288,857,985.08/55,050.65
  6. Step 6: Final answer
    x = 23,412.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.